AOER 2-pin Professional PTT Covert Acoustic Tube Bodyguard FBI Earpiece Headset Mic for Kenwood Baofeng Wouxun Hytera Puxing Two-way Radio Professional Acoustic Tube Bodyguard FBI Covert Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Kenwood TK Puxing Wouxun Baofeng Radio Security Door Supervisor 2pin. Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily, whether you're in security, retail, or hospitality. Provides excellent durability, reliability and performance in low-profile environment. Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. With transparent acoustic tube, this two way radio headset earpiece with mic makes you low profile and protects your health from radio electromagnetic wave radiation.